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anonymous

  • 5 years ago

anyone know what factors can be multipied to get -35 but added to gett -18

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  1. anonymous
    • 5 years ago
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    7 x 5 = 35

  2. anonymous
    • 5 years ago
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    however when added , they are not equal to 18

  3. anonymous
    • 5 years ago
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    yeah thought of that one but it doenst work on the second level

  4. anonymous
    • 5 years ago
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    x * y = -35 x + y = -18 x = -18 - y Plug back in: (-18-y)*y = -35 -18 y + y^2 = -35 y^2 - 18y + 35 = 0 y = around 15.78 ish or y = about 2.13 ish Then plug back for x.

  5. anonymous
    • 5 years ago
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    wait, isn't it supposed to be xy = 35 and x + y = 18?

  6. anonymous
    • 5 years ago
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    that's what she told me

  7. anonymous
    • 5 years ago
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    :'( Read the question.

  8. anonymous
    • 5 years ago
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    I know I did, but she told me it was + 35 and + 18 in the group chat

  9. anonymous
    • 5 years ago
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    mh...bk what's the question @_@

  10. anonymous
    • 5 years ago
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    sorry i did type it wrong first but i did change it in the group chat and in here'

  11. anonymous
    • 5 years ago
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    What is it? +38 and + 15 or -35 and -15?

  12. anonymous
    • 5 years ago
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    so I guess it's - 35 and - 18 :)

  13. anonymous
    • 5 years ago
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    Here are the exact values: \[x = -9 - 2 \sqrt{29}\] \[y = -9 + 2 \sqrt{29}\]

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spraguer (Moderator)
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